Improved composition foe boofing



06. COMPOSITlONS,

comma or PLASTIC suasrn'u'rso FOR mssmo coPY.

Examiner J 0 H N- 5 EE, 0 F BA L'TI MO RE; MARYLIA'NIID;

Letters Patent M65356, dated June 18, 1867.

IMPRO ED COMPOSITION FOR 1100mm, PAVEMENTS, WALLS, Doors, in) cram: STRUCTURES.

on Sclgetulc ntsmt' in in flgcse Enters 3mm antmaking pm Qatar in,

TO ALL WHOM IT MAY CONCERN:

Be it known that I, JGHN Sun, of Bnltimorc, infthe county of Baltimore, and State of Maryland,.haiy e invented an Im roved Composition for Roofing, for Walls and Font-Pavements, for Plastering Outside Walls,

- and Covering Dump Walls and Docks, for LiningCistei-ns and Hydronts, and for Making Pillars or Columns,

Water Bricks, Water Pipes. will Burial Cases; and I' do-hereby declare that the following is..a full and exact description thereof. I i l I I employ the following ingredients for the composition, -anri in theproportions named, or thereztbtmtst: 121: ores, pulverized, fifty parts; hydraulic lime or cement, fifteen parts; sand deem-sharp, fifteen parts'; marble,

ground, fifteen parts; coal pulverized, eight parts; lime, eight parts; sn-lt fine or ground, -i'ou'r pitr'tis. The

proportions named are about what Iconside'r the bestf but they may vary considerablytherefrom'withont mirth detriment to the composition. The materials, "as indicated, shoultlrull be in a fine state, or suitable for mixing,-f and to produce the proper consistency of'compoiiton. a v Instead of iron ore, (which may be of any kind,) iron borin s or turnin s' may be used; and for ground; inarble ground slate may he substituted, though I prefer the marble. .The coal may be either anthracite or bituminous using the coal dust. I

. The ingredients if'hen properly preparednnrl proportioned, are to be thoroughly mixed in t lg e clrl tgtg and then water is to be added till the whole mixture becomes of the proper co nsistencymg tz r ggjfo r moulding into form. I v T"w1r?1"i3nnfilm invention, and desire to'secure by Letters Patient, is-

The composition formedof the material nomedfsubstnntiully he and for the purpose herein specified.';

2. Iron ore, turnings, borings, or filings in combination with hydraulic cement, for the formation of roofing, pavements, walls, douks wntcr' bricks, pipes, and other structures, substantiollyes and for the purposes herein specified. i I i I JOHN SEE. Witnesses JOHN S. HULLINGSHEAD, Joan 0. Horse. 

